Re: Hole Diameter for running cable

["Robert L Bass" <sales@xxxxxxxxxxxxxxxxxxxxx>]

> No, do not notch horizontal members.
> That reduces the strength. Keep
> holes close to the center.

The international residential code allows notching floor joists.
Limitations follow:
1=2E None in the middle 1/3 of the joist span.
2=2E Length of notch not more than 1/3 the height of the joist.
3=2E Depth of notch not more than 1/6 the height of the joist.

> And if you drill large holes, use nailing plates.

Use nailing plates to protect the wires.  However, these do not restore
any of the strength of the framing member lost by drilling or notching.
 Use is not related to hole size, only proximity of the hole to the
edge.

--

Regards,
Robert L Bass

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